Page({
    data: {
        bh: "100rpx"
    },
    setLine({ detail: { heightRpx, lineCount } }) {
        if (lineCount <= 5) {
            this.setData({
                bh: heightRpx + 60 + "rpx"
            });
            wx.pageScrollTo({
                selector: "#bottom",
                duration: 0
            });
        }
    }
})